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Dong-Ryul
Dong-Ryul Im, Daejeon Metropolitan City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100036067 | CATALYST SYSTEM FOR OLEFIN POLYMERIZATION COMPRISING TRIOXASILOCANE AND METHOD FOR OLEFIN POLYMERIZATION USING THE SAME - The present invention relates to a catalyst system for olefin polymerization and a method for olefin polymerization using the same. More particularly, the present invention relates to a Ziegler-Natta catalyst system for olefin polymerization comprising a transition metal compound as a main catalyst component, an organic metal compound as a cocatalyst component, and a cyclic organosilane compound, trioxasilocane as an external electron donor, and a method for olefin polymerization using the same. According to the present invention, a polyolefin having improved various properties such as polymerization activity, melt-flow ability, isotacticity, molecular weight distribution and apparent density can be produced. | 02-11-2010 |
Dong-Ryul Kim, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100221455 | Composition for primer coating, optical film comprising the same, and polarizing plate comprising the same - The present invention relates to a primer coating composition, an optical film including the same, and a polarizing plate including the same, the primer coating composition according to the present invention includes 1) a polyvinyl alcohol compound including the acetoacetyl group; 2) an acrylate compound that includes at least two vinyl groups; and 3) a basic catalyst, and an optical film that includes a primer layer formed from the primer coating composition has excellent transparency, optical property, mechanical strength, and attaching property to the polyvinyl alcohol polarizer. | 09-02-2010 |
| 20100279092 | MULTIPLE-LAYER FILM AND METHOD FOR MANUFACTURNIG THE SAME - The present invention provides a multiple layer film comprising a substrate layer and a multiple layer having two or more sub-layers formed by use of a single target material, provided on at least one side of the substrate layer; and a method for manufacturing the same. | 11-04-2010 |
| 20110281092 | MULTILAYER STRUCTURED TRANSPARENT ELECTRICALLY-CONDUCTIVE FILM AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a transparent electrically-conductive film comprising a substrate having a refractive index of n1, a first coating layer having a refractive index of n2, a second coating layer having a refractive index of n3, and an electrically-conductive oxide layer having a refractive index of n4 in a sequentially laminated form, wherein said refractive index of each layer complies with n1≦n3| 11-17-2011 | |
| 20110297221 | SOLAR CELL BACK SHEET AND METHOD FOR PREPARING SAME - Provided are a solar cell backsheet including a substrate layer and a blended resin layer including a fluorine-based resin and a (meth)acrylic-based copolymer resin including a (meth)acrylic-based monomer and a maleimide-based monomer formed on at least one surface of the substrate layer, a method of manufacturing the solar cell backsheet, and a solar cell including the solar cell backsheet. Since using the solar cell backsheet provided here can lower a temperature in a solar cell, and improved heat-resistance, weather-resistance, etc. of the solar cell are achieved. | 12-08-2011 |
Dong-Ryul Kim, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100062246 | Plastic substrate having multi-layer structure and method for preparing the same - The present invention relates to a plastic substrate having a multi-layer structure and a method for preparing the same. The plastic substrate of the present invention comprises plastic films attached to each other, and a first buffering layer of an organic-inorganic hybrid, a layer of gas barrier, and a second buffering layer of an organic-inorganic hybrid which are stacked on both sides of the plastic films in an orderly manner, each layer forming a symmetrical arrangement centering around the plastic films. Because the plastic substrate of the present invention has a small coefficient of thermal expansion, excellent dimensional stability, and superior gas barrier properties, it can replace the brittle and heavy glass substrate in display devices. Also, it can be used for a variety of packaging or container materials in applications requiring superior gas barrier properties. | 03-11-2010 |
Dong-Ryul Lee, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110104524 | Visualization Apparatus for Transparent PEMFC - Provided is a visualization apparatus for a transparent PEMFC using a transparent window having conditions approximating a real PEMFC. More specifically, the present invention improves a fixing frame in consideration of the distribution of pressure applied by the fixing frame, such that the visualization apparatus for a transparent PEMFC has operating conditions approximating the real PEMFC. A visualization apparatus for a transparent PEMFC of the present invention includes: current collector plates each provided at both surfaces of a membrane electrode assembly of a fuel cell and formed with a channel in which reaction gas and products flow; transparent plates provided at an outer surface of the current collector plates; and fixing frames formed with a visualization window for observing the current collector plates and provided at the outer side of the transparent plates, wherein the visualization window is formed in at least two by dividing the single window formed by penetrating through the fixing frame by a bar. | 05-05-2011 |
| 20110104581 | Heat Controllable Visualization Apparatus for Transparent PEMFC - Provided is a visualization apparatus for a transparent PEMFC using a transparent window having conditions approximating a real PEMFC. More specifically, the present invention includes a heat-exchange passage heat exchanging a transparent plate of a visualization apparatus with a current collector plate in order to control heat. In order to achieve the above object, the present invention includes: current collector plates each provided at both surfaces of a membrane electrode assembly of a fuel cell and formed with a channel in which reaction gas and products flow; transparent plates provided at an outer surface of the current collector plates and provided with a heat-exchange passage having a fluid flowing therein to be heat-exchanged with the current collector plates; and fixing frames having a visualization window for observing the current collector plates and provided at the outer side of the transparent plates. | 05-05-2011 |
Dong-Ryul Lee, Kyungjoo-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110318111 | TOTAL ENVIRONMENTALLY-FRIENDLY TRENCHLESS REPAIRING METHOD - The present invention relates to a total environmentally-friendly trenchless repairing method including the steps of: checking leakage on the upper and lower portions of the sewage pipeline, a manhole and a household branch pipe within a repairing section; performing partial trenchless repairing for the damaged portion of the pipeline; filling a primary repairing liquid into the pipeline at high pressure; sucking the primary repairing liquid remaining in the pipeline; injecting a secondary repairing liquid into the interior of the pipeline; sucking the secondary repairing liquid remaining in the pipeline; performing intermediate cleaning; and removing the repairing liquids accumulated on the bottom portion of the pipeline. | 12-29-2011 |
Dong-Ryul Shin, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100122911 | METHOD FOR COATING METALLIC INTERCONNECT OF SOLID OXIDE FUEL CELL - Disclosed is a method for coating a metallic interconnect for a solid oxide fuel cell (SOFC), the method including the steps of: carrying out pre-treatment for removing impurities adhered on a surface of the metallic interconnect; and carrying out pulse plating with cobalt as an anode, and the metallic interconnect as a cathode, in which an average current density (I | 05-20-2010 |
| 20100124684 | HEATING DEVICE OF METALLIC INTERCONNECT FOR SOLID OXIDE FUEL CELL AND COATING METHOD OF THE INTERCONNECT USING THE SAME - Disclosed is a method for heating a metallic interconnect for a solid oxide fuel cell (SOFC) to 150˜300° C., which can minimize the thermal shock by reducing a temperature difference between the metallic interconnect and a coating material during a thermal plasma coating process on the metallic interconnect for the SOFC. Accordingly, through the disclosed method, a densified coating layer with minimized micro pores/cracks can be formed on the surface of the metallic interconnect. Thus, it is possible to reduce the loss in output performance during the operation of the SOFC at a high temperature, and to maintain the long-term durability and performance of the metallic interconnect. | 05-20-2010 |